<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 表单区域 -->
            <el-form ref="loginFormRef" label-width="0px" class="login_form" :model="loginForm" :rules="loginFormRules">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input prefix-icon="el-icon-user" v-model="loginForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input prefix-icon="el-icon-lock" v-model="loginForm.password" type="password"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
    export default {
        name: 'Login',

        data() {
            return {
                loginForm: {
                    username: 'admin',
                    password: '123456',
                },
                loginFormRules: {
                    username: [
                        { required: true, message: '请输入用户名', trigger: 'blur' },
                        { min: 3, max: 10, message: '长度在 3 到 5 个字符', trigger: 'blur' }
                    ],
                    password: [
                        { required: true, message: '请输入登录密码', trigger: 'blur' },
                        { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                    ]
                }
            };
        },

        mounted() {

        },

        methods: {
            resetLoginForm() {
                this.$refs.loginFormRef.resetFields()
            },
            login(){
                this.$refs.loginFormRef.validate(async valid=>{
                    if(!valid) return;
                    const {data:res} = await this.$http.post('login',this.loginForm)
                    if(res.meta.status !== 200) return this.$message.error('登录失败');
                    this.$message.success('登录成功')
                    window.sessionStorage.setItem("token",res.data.token)
                    this.$router.push('/home')
                })
            }
        },
    };
</script>

<style lang="css" scoped>
    .login_container {
        display: flex;
        background-color: #2b4b6b;
        height: 100%;
        justify-content: center;
        align-items: center;
    }

    .login_box {
        position: relative;
        width: 450px;
        height: 350px;
        background-color: #fff;
    }

    .avatar_box {
        position: absolute;
        top: 0;
        left: 50%;
        transform: translate(-50%, -50%);
        height: 130px;
        width: 130px;
        border: 1px solid #eee;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        background-color: #fff;
    }

    .avatar_box img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
    }

    .login_form {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }

    .btns {
        display: flex;
        justify-content: end;
    }
</style>